After leaving the British Secret Service, David Somers finds work catalouging butterflies at the country house of Nicholas and Jess Fenton. After the murder of a local gamekeeper, suspicion falls on their niece, Sophie Malraux. Somers helps Sophie to escape arrest and they go on the run together.
Jean Simmons
Sophie Malraux
Trevor Howard
Maj. David Somers
Sonia Dresdel
Jess Fenton
Barry Jones
Nicholas Fenton
Kenneth More
Willy Shepley
Geoffrey Keen
Police Inspector
André Morell
Secret Service Chief Chubb (as Andre Morell)
Michael Brennan
Police Superintendent
